801885 has 24 divisors (see below), whose sum is σ = 1493856. Its totient is φ = 366240.

The previous prime is 801883. The next prime is 801947. The reversal of 801885 is 588108.

It is not a de Polignac number, because 801885 - 2¹ = 801883 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 801885.

It is not an unprimeable number, because it can be changed into a prime (801883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190 + ... + 1280.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2⁸⁰¹⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

801885 is a deficient number, since it is larger than the sum of its proper divisors (691971).

801885 is a wasteful number, since it uses less digits than its factorization.

801885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 801885 is about 895.4803180417. The cubic root of 801885 is about 92.9046311057.

The spelling of 801885 in words is "eight hundred one thousand, eight hundred eighty-five".